(ii)quad D.D.T

D.D.T is

D.D.T is

Expand D.D.T.

Match the items given in column I with items (one or more) given in column it. {:("(i) Biodegradable pollutants", "(a) D.D.T."), ("(ii) Non-biodegradable pollutants", "(b) PAN"), ("(iii) Secondary pollutants", "(c) Low temperature"), ("(iv) Photochemical smog", "(d) Organic wastes (Sewage)"),("(v) Classical smog", "(d) Organic wastes (Sewage)"), (, "(e) High temperature"),(, "(f) Ozone"),(, "(g) Cadmium"):}

D.D.T. is

D.D.T. is

Number of chlorine atoms in D.D.T

What is D.D.T among the following

Which of the following is the correct structure of D.D.T.?